小编web*_*evy的帖子

在golang中,有没有办法在html模板中截断文本？

例如,我的模板中有以下内容:

{{ range .SomeContent }}
 ....
    {{ .Content }}
 ....

{{ end }

{{ .Content }}产生:interdum et malesuada fames ac ante ipsum primis in faucibus.Aliquam tempus sem ipsum,vel accumsan felis vulputate id.Donec ultricies sem purus,non aliquam orci dignissim et.整数mi arcu.Pellentesque apsum quis velit venenatis vulputate vulputate ut enim.

我想将其减少到25个字符.

有谁知道如何编写一个将csv文件转换为json文件的Ruby脚本？

CSV将采用以下格式:

Canon,Digital IXUS 70,"Epic, Epic 100",3x,Yes (lockable),Yes (lockable),Yes
Canon, Digital IXUS 75,"Epic, Epic 100",3x,Yes (lockable),Yes (lockable),Yes
Canon,Digital IXUS 80,"Epic, Epic 100",3x,Yes (lockable),Yes (lockable),Yes

并且JSON需要导致:

{ "aaData": [
[ "Canon" , "Digital IXUS 70" , "3x" , "Yes (lockable)" , "Yes (lockable)" , "Yes"],
[ "Canon" , "Digital IXUS 75" , "3x" , "Yes (lockable)" , "Yes (lockable)" , "Yes"],
[ "Canon" , "Digital IXUS 80" , "3x" , "Yes (lockable)" , "Yes (lockable)" , "Yes"]
]} 

什么是jQuery相当于以下Prototype AJAX请求？

function showSnapshotComments(snapshot) {
   new Ajax.Request('/photos/show_snapshot_comments/'+ snapshot.id,
                    {asynchronous:true, evalScripts:true});
}

如果我有一个包含以下URL的页面:http: //www.mywebsite.com/users/profile/edit

如果用户在该特定页面上,我将如何仅显示部分内容？

有人建议使用这段代码,但语法让我困惑,我希望能有更具体的东西. <%= render :partial => "foo/bar" if @conditions %>

是否有以下简写:

if ((items.length > 0) && ($item.length > 0)) {

    // Do Something...

}

鉴于以下

var content = [{
        "set_archived": false,
        "something": [{
            "id": "aa7bb3db-19a2-4ef6-5944-892edaaf53c3",
            "modified": "2016-12-01T18:23:29.743333Z",
            "created": "2016-12-01T18:23:29.743333Z",
            "archived": false
        }]
    },
    {
        "set_archived": true,
        "something": [{
            "id": "aa7bb3db-19a2-4ef6-5944-892edaaf53c3",
            "modified": "2017-01-30T19:42:29.743333Z",
            "created": "2017-01-30T19:42:29.743333Z",
            "archived": false
        }]
    }
];

使用 Lodash，我如何确定对象数组中的一个set_archived或something.archived是否等于真？

所以在这种情况下，因为第二个对象set_is_archived是真的，那么预期的响应应该是真的。如果任一对象中的所有项目均为假，则响应应为假。

如何使用三元运算符缩短以下内容？

if ((pos - maxPos) == (c.clientWidth)) {
    $j("#next").addClass("filter");
} else {
    $j("#next").removeClass("filter");
}